Sigmoidoscopic findings in melanosis coli: report of an illustrative case.
D003108:Colonic Diseases / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008548:Melanosis / Q000175:diagnosis*; D008875:Middle Aged; D012002:Rectal Diseases / Q000175:diagnosis*; D012812:Sigmoidoscopy